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Cost to drive in Illinois (2026)

Regular gas in Illinois averages $4.85/gal (#42 cheapest of 50) and home electricity 19.89¢/kWh (#36 cheapest). Here are the cheapest cars and EVs to run in Illinois.

Regular$4.85
Premium$6.01
Diesel$6.83
Electricity19.9¢

Cheapest EVs to charge in Illinois

Cheapest 2026 gas and hybrid cars to fuel in Illinois